David, > I know the target is capable of returning records in OPAC format -- > which I take is some type of MARC XML?
OPAC record syntax is not XML I'm afraid. OPAC is a conventional MARC bib record along with separate holdings records. The holdings records can be either more MARC records or of a special Z39.50 defined format. Regards, Ashley. -- Ashley Sanders [EMAIL PROTECTED] COPAC: A public bibliographic database from MIMAS, funded by JISC http://copac.ac.uk/ - [EMAIL PROTECTED]